Finding the Fourth Proportional to 98,592.26, 136,081.50 and 56,175.80
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Solution
The fourth proportional to 98,592.26, 136,081.50 and 56,175.80 is: 77,536.38
Step by Step Solution
- Step 1: Write the proportion equation
98,592.26 : 136,081.50 = 56,175.80 : x - Step 2: Convert to fraction form
98,592.26/136,081.50 = 56,175.80/x - Step 3: Cross multiply
98,592.26x = 136,081.50 × 56,175.80 - Step 4: Simplify right side
98,592.26x = 7,644,487,127.70 - Step 5: Solve for x
x = 7,644,487,127.70/98,592.26 - Step 6: Final answer
x = 77,536.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.